diff --git a/docs/usage/java.md b/docs/usage/java.md
index 9b7b5e209cfe42fe1252f0048005f1ba4f322346..83cff2ab23c117a30aa57283cf5c095247703887 100644
--- a/docs/usage/java.md
+++ b/docs/usage/java.md
@@ -15,7 +15,7 @@ The workaround limits Renovate to upgrade to LTS versions of the Java runtime on
 
 If you want Renovate to offer all `major` Java updates then add `workarounds:javaLTSVersions` to the `ignorePreset` array:
 
-```
+```json
 {
   "extends": ["config:base"],
   "ignorePresets": ["workarounds:javaLTSVersions"]